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STM32MP153C датащи(PDF) 226 Page - STMicroelectronics |
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STM32MP153C датащи(HTML) 226 Page - STMicroelectronics |
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226 / 254 page ![]() Electrical characteristics STM32MP153C/F 226/254 DS12503 Rev 3 Table 105 gives the list of Ethernet MAC timings for the MDIO/SMA and Figure 57 shows the corresponding timing diagram. Figure 57. Ethernet MDIO/SMA timing diagram Table 106 gives the list of Ethernet MAC timings for the RMII and Figure 58 shows the corresponding timing diagram. Table 105. Dynamics characteristics: Ethernet MAC timings for MDIO/SMA(1) 1. Guaranteed by characterization results. Symbol Parameter Min Typ Max Unit tMDC MDC cycle time(2.5 MHz) 399 400 401 ns Td(MDIO) Write data valid time 0.5 1 3 tsu(MDIO) Read data setup time 13.5 - - th(MDIO) Read data hold time 0 - - Table 106. Dynamics characteristics: Ethernet MAC timings for RMII(1) 1. Guaranteed by characterization results. Symbol Parameter Min Typ Max Unit tsu(RXD) Receive data setup time 2 - - ns tih(RXD) Receive data hold time 1.5 - - tsu(CRS) Carrier sense setup time 1.5 - - tih(CRS) Carrier sense hold time 1.5 - - td(TXEN) Transmit enable valid delay time 5.5 6.5 9.5 td(TXD) Transmit data valid delay time 6 6.5 10 MS31384V1 ETH_MDC ETH_MDIO(O) ETH_MDIO(I) tMDC td(MDIO) tsu(MDIO) th(MDIO) |
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